cloudwatch: Consolidate client logic (#25555)

* cloudwatch: Consolidate client logic Co-authored-by: Arve Knudsen <arve.knudsen@gmail.com>
2020-07-23 18:52:22 +02:00
parent 80edbbe314
commit 43ef052d57
9 changed files with 1147 additions and 630 deletions
@@ -0,0 +1,133 @@
+package cloudwatch
+
+import (
+	"context"
+
+	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/aws/request"
+	"github.com/aws/aws-sdk-go/service/cloudwatch"
+	"github.com/aws/aws-sdk-go/service/cloudwatch/cloudwatchiface"
+	"github.com/aws/aws-sdk-go/service/cloudwatchlogs"
+	"github.com/aws/aws-sdk-go/service/cloudwatchlogs/cloudwatchlogsiface"
+	"github.com/aws/aws-sdk-go/service/ec2"
+	"github.com/aws/aws-sdk-go/service/ec2/ec2iface"
+	"github.com/aws/aws-sdk-go/service/resourcegroupstaggingapi"
+	"github.com/aws/aws-sdk-go/service/resourcegroupstaggingapi/resourcegroupstaggingapiiface"
+	"github.com/grafana/grafana/pkg/components/securejsondata"
+	"github.com/grafana/grafana/pkg/components/simplejson"
+	"github.com/grafana/grafana/pkg/models"
+)
+
+func fakeDataSource() *models.DataSource {
+	jsonData := simplejson.New()
+	jsonData.Set("defaultRegion", "default")
+	return &models.DataSource{
+		Id:             1,
+		Database:       "default",
+		JsonData:       jsonData,
+		SecureJsonData: securejsondata.SecureJsonData{},
+	}
+}
+
+type fakeCWLogsClient struct {
+	cloudwatchlogsiface.CloudWatchLogsAPI
+	logGroups      cloudwatchlogs.DescribeLogGroupsOutput
+	logGroupFields cloudwatchlogs.GetLogGroupFieldsOutput
+	queryResults   cloudwatchlogs.GetQueryResultsOutput
+}
+
+func (m fakeCWLogsClient) GetQueryResultsWithContext(ctx context.Context, input *cloudwatchlogs.GetQueryResultsInput, option ...request.Option) (*cloudwatchlogs.GetQueryResultsOutput, error) {
+	return &m.queryResults, nil
+}
+
+func (m fakeCWLogsClient) StartQueryWithContext(ctx context.Context, input *cloudwatchlogs.StartQueryInput, option ...request.Option) (*cloudwatchlogs.StartQueryOutput, error) {
+	return &cloudwatchlogs.StartQueryOutput{
+		QueryId: aws.String("abcd-efgh-ijkl-mnop"),
+	}, nil
+}
+
+func (m fakeCWLogsClient) StopQueryWithContext(ctx context.Context, input *cloudwatchlogs.StopQueryInput, option ...request.Option) (*cloudwatchlogs.StopQueryOutput, error) {
+	return &cloudwatchlogs.StopQueryOutput{
+		Success: aws.Bool(true),
+	}, nil
+}
+
+func (m fakeCWLogsClient) DescribeLogGroupsWithContext(ctx context.Context, input *cloudwatchlogs.DescribeLogGroupsInput, option ...request.Option) (*cloudwatchlogs.DescribeLogGroupsOutput, error) {
+	return &m.logGroups, nil
+}
+
+func (m fakeCWLogsClient) GetLogGroupFieldsWithContext(ctx context.Context, input *cloudwatchlogs.GetLogGroupFieldsInput, option ...request.Option) (*cloudwatchlogs.GetLogGroupFieldsOutput, error) {
+	return &m.logGroupFields, nil
+}
+
+type fakeCWClient struct {
+	cloudwatchiface.CloudWatchAPI
+
+	metrics []*cloudwatch.Metric
+}
+
+func (c fakeCWClient) ListMetricsPages(input *cloudwatch.ListMetricsInput, fn func(*cloudwatch.ListMetricsOutput, bool) bool) error {
+	fn(&cloudwatch.ListMetricsOutput{
+		Metrics: c.metrics,
+	}, true)
+	return nil
+}
+
+type fakeEC2Client struct {
+	ec2iface.EC2API
+
+	regions      []string
+	reservations []*ec2.Reservation
+}
+
+func (c fakeEC2Client) DescribeRegions(*ec2.DescribeRegionsInput) (*ec2.DescribeRegionsOutput, error) {
+	regions := []*ec2.Region{}
+	for _, region := range c.regions {
+		regions = append(regions, &ec2.Region{
+			RegionName: aws.String(region),
+		})
+	}
+	return &ec2.DescribeRegionsOutput{
+		Regions: regions,
+	}, nil
+}
+
+func (c fakeEC2Client) DescribeInstancesPages(in *ec2.DescribeInstancesInput,
+	fn func(*ec2.DescribeInstancesOutput, bool) bool) error {
+	reservations := []*ec2.Reservation{}
+	for _, r := range c.reservations {
+		instances := []*ec2.Instance{}
+		for _, inst := range r.Instances {
+			if len(in.InstanceIds) == 0 {
+				instances = append(instances, inst)
+				continue
+			}
+
+			for _, id := range in.InstanceIds {
+				if *inst.InstanceId == *id {
+					instances = append(instances, inst)
+				}
+			}
+		}
+		reservation := &ec2.Reservation{Instances: instances}
+		reservations = append(reservations, reservation)
+	}
+	fn(&ec2.DescribeInstancesOutput{
+		Reservations: reservations,
+	}, true)
+	return nil
+}
+
+type fakeRGTAClient struct {
+	resourcegroupstaggingapiiface.ResourceGroupsTaggingAPIAPI
+
+	tagMapping []*resourcegroupstaggingapi.ResourceTagMapping
+}
+
+func (c fakeRGTAClient) GetResourcesPages(in *resourcegroupstaggingapi.GetResourcesInput,
+	fn func(*resourcegroupstaggingapi.GetResourcesOutput, bool) bool) error {
+	fn(&resourcegroupstaggingapi.GetResourcesOutput{
+		ResourceTagMappingList: c.tagMapping,
+	}, true)
+	return nil
+}